Speak only if it improves upon the silence.
Live as if you were to die tomorrow. Learn as if you were to live forever.
You should be the change that you want to see in the world.
To believe in something, and not live it, is dishonest.
Find purpose, the means will follow.
Seven social sins: politics without principles, wealth without work, pleasure without conscience, knowledge without character, commerce without morality, science without humanity, and worship without sacrifice.
Whatever you do will be insignificant, but it is very important that you do it.
Truth alone will endure; all the rest will be swept away before the tide of time.